StackOverflow2013

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plurals

PO
primarykey
Id
18763522
data
AcceptedAnswerId
0
AnswerCount
0
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0
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CreationDate
2013-09-12T11:50:58.323
FavoriteCount
0
LastActivityDate
2013-09-12T14:05:35.353
LastEditDate
2013-09-12T14:05:35.353
LastEditorUserId
659998
OwnerUserId
659998
ParentId
18761428
PostTypeId
2
Score
2
ViewCount
0
LastEditorDisplayName
text
Body
Save your image to Isolated Storage instead of project folder. Then retrieve the image from isolated storage whenever you want like this, <pre><code> var lockimageuri = new Uri("ms-appdata:///Local/" + "lockimage0.jpg", UriKind.Absolute); LockScreen.SetImageUri(lockimageuri); </code></pre> Here locimage0.jpg is the image that present in the isolated storage. Here is the code to save your image into Isolated storage. <pre><code> using (var store = IsolatedStorageFile.GetUserStoreForApplication()) { string filePath = "lockimage0.jpg"; if (store.FileExists(filePath)) { store.DeleteFile(filePath); } IsolatedStorageFileStream fileStream = store.CreateFile(filePath); wbm.SaveJpeg(fileStream, wbm.PixelWidth, wbm.PixelHeight, 0, 100); fileStream.Close(); } </code></pre> Also You can use this method to read your local image from project folder. <pre><code> private WriteableBitmap ReadLocalImage(string Uri) { StreamResourceInfo sri = null; Uri uri = new Uri(Uri, UriKind.Relative); sri = Application.GetResourceStream(uri); BitmapImage bitmap = new BitmapImage(); bitmap.CreateOptions = BitmapCreateOptions.None; bitmap.SetSource(sri.Stream); WriteableBitmap wb = new WriteableBitmap(bitmap); return wb; } </code></pre> This is how I implemented custom lock screen in my application. Also make sure that you updated the Manifest file <pre><code><Extensions> <Extension ExtensionName="LockScreen_Background" ConsumerID="{111DFF24-AA15-4A96-8006-2BFF8122084F}" TaskID="_default" /> </Extensions> </code></pre> I also tried with image in local project folder, That also working fine for me. Here is the code I tried. <pre><code>private async void SetLockScreen() { //Check to see if the app is currently the lock screen provider if (!LockScreenManager.IsProvidedByCurrentApplication) { //Request to be lock screen provider await LockScreenManager.RequestAccessAsync(); } //Check to see if the app is currently the lock screen provider if (LockScreenManager.IsProvidedByCurrentApplication) { //Set the image to the lock screen image Uri imageUri = new Uri("ms-appx:///Images/lockscreen.png", UriKind.RelativeOrAbsolute); LockScreen.SetImageUri(imageUri); } } </code></pre>
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1. PO'System.IO.FileNotFoundException'
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1. PTAnswer
UserLastEditorUserId
1. USRakesh R Nair
UserOwnerUserId
1. USRakesh R Nair
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